With this information, you can calculate the quantity of feet per second 30 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 30 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.01974946 times 30 knots.

Which is the same to say that 30 knots is 50.634296 feet per second.

Thirty knots equals to fifty feet per second. *Approximation

A foot per second is zero times thirty knots. *Approximation